Declension table of ?sāpta

Neuter	Singular	Dual	Plural
Nominative	sāptam	sāpte	sāptāni
Vocative	sāpta	sāpte	sāptāni
Accusative	sāptam	sāpte	sāptāni
Instrumental	sāptena	sāptābhyām	sāptaiḥ
Dative	sāptāya	sāptābhyām	sāptebhyaḥ
Ablative	sāptāt	sāptābhyām	sāptebhyaḥ
Genitive	sāptasya	sāptayoḥ	sāptānām
Locative	sāpte	sāptayoḥ	sāpteṣu

Compound sāpta -

Adverb -sāptam -sāptāt